Adam Warlock

don't go crazy until you get soul world out, and do what you can to find it: build support and mulligan are there for it.

once you have that you're almost immortal, symbiote suit makes you immortal to damage pretty much. in multiplayer i protect others with my basic action. if you don't have go down swinging in hand, don't forget to use nick to protect others as well. you can take a ton of punishment and once soul world is out you fully heal everytime. captain marvel rarely triggers but the point is to discard, it's just a nice bonus to hit if you get lucky.